Use FireBug plugin to see all request information or print the
$_COOKIES auto global variable.
Check following information
Cookie Name --> Information
CART --> The association with your shopping cart.
CATEGORY_INFO --> Stores the category info on the page, that allows to display pages more quickly.
COMPARE --> The items that you have in the Compare Products list.
CURRENCY --> Your preferred currency
CUSTOMER --> An encrypted version of your customer id with the store.
CUSTOMER_AUTH --> An indicator if you are currently logged into the store.
CUSTOMER_INFO --> An encrypted version of the customer group you belong to.
CUSTOMER_SEGMENT_IDS --> Stores the Customer Segment ID
EXTERNAL_NO_CACHE --> A flag, which indicates whether caching is disabled or not.
FRONTEND --> You sesssion ID on the server.
GUEST-VIEW --> Allows guests to edit their orders.
LAST_CATEGORY --> The last category you visited.
LAST_PRODUCT --> The most recent product you have viewed.
NEWMESSAGE --> Indicates whether a new message has been received.
NO_CACHE --> Indicates whether it is allowed to use cache.
PERSISTENT_SHOPPING_CART --> A link to information about your cart and viewing history if you have asked the site.
POLL --> The ID of any polls you have recently voted in.
POLLN --> Information on what polls you have voted on.
RECENTLYCOMPARED --> The items that you have recently compared.
STF --> Information on products you have emailed to friends.
STORE --> The store view or language you have selected.
VIEWED_PRODUCT_IDS --> The products that you have recently viewed.
WISHLIST --> An encrypted list of products added to your Wishlist.
WISHLIST_CNT --> The number of items in your Wishlist.